Question

Evalute 2 upon 7+ -11 upon 5 + -3 upon 7 + 3 upon 5

Answer 1

$\frac{2}{7} + \frac{ - 11}{5} + \frac{ - 3}{7} + \frac{3}{5} \\ = \frac{2}{7} - \frac{3}{7} - \frac{11}{5} + \frac{3}{5} \\ = \frac{ - 1}{7} - \frac{8}{5} \\ = \frac{ - 5 - 7}{35} \\ = \frac{ - 12}{35}$
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